4040551604 has 12 divisors (see below), whose sum is σ = 7118422500. Its totient is φ = 2006716608.

The previous prime is 4040551597. The next prime is 4040551607. The reversal of 4040551604 is 4061550404.

It can be written as a sum of positive squares in 2 ways, for example, as 734301604 + 3306250000 = 27098^2 + 57500^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040551607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3389129 + ... + 3390320.

It is an arithmetic number, because the mean of its divisors is an integer number (593201875).

Almost surely, 2^4040551604 is an apocalyptic number.

It is an amenable number.

4040551604 is a deficient number, since it is larger than the sum of its proper divisors (3077870896).

4040551604 is a wasteful number, since it uses less digits than its factorization.

4040551604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6779602 (or 6779600 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 4040551604 is about 63565.3333508132. Note that the first 4 decimals coincide. The cubic root of 4040551604 is about 1592.7473306876.

The spelling of 4040551604 in words is "four billion, forty million, five hundred fifty-one thousand, six hundred four".